Mobile communications network

1. A mobile communications network comprising: a plurality of nodes, each node being disposed on a vehicle and comprising at least one antenna having variable propagation characteristics and directional gain, wherein the plurality of nodes are configured to be wirelessly connected to one or more of a plurality of mobile devices; and a planning and control module configured to: receive or obtain position data representative of a trajectory of at least one of said plurality of mobile devices; receive, periodically or otherwise, coverage data from each of said nodes, said coverage data being representative of the respective coverage capability and a current location of said nodes; predict a future position of the at least one of said mobile devices, based on said position data, and predict therefrom a coverage requirement associated with the at least one mobile device; and generate, using said coverage data, an output signal configured to cause the location and the propagation characteristics of an antenna of a respective node of said one or more of said nodes to be adjusted, wherein the adjustment of said propagation characteristics comprises altering the gain and a frequency, pointing direction, azimuth, elevation and strength of an antenna of a respective node, to cause the coverage capability of one or more of said nodes to be adjusted to meet said coverage requirement.

2. The mobile communications network according to claim 1 , wherein said output comprises a signal configured to instruct or cause said one or more nodes to change location relative to said specified one or more mobile devices.

3. The mobile communications network according to claim 1 , wherein said planning and control module is incorporated in one or more of said nodes.

4. The mobile communications network according to claim 3 , wherein said planning and control module is provided in, or distributed across, each of a plurality of said nodes, and configured to receive updated location data from each of said plurality of mobile devices and said coverage data from each other of said plurality of nodes.

5. The mobile communications network according to claim 1 , wherein said planning and control module is configured to receive data representative of a selected one or more high priority mobile devices, and further configured, in respect of a selected high priority mobile device, to cause the coverage capability in relation thereto of one or more of said nodes to be adjusted to provide an enhanced coverage requirement thereto.

6. A node for a mobile communication network according to claim 1 , configured to provide a wireless communications hotspot for one or more of said plurality of mobile devices, said node being coupled to a planning and control module configured to: receive or obtain position data representative of a trajectory of at least one of said plurality of mobile devices; receive, periodically or otherwise, coverage data from each of said nodes, said coverage data being representative of the respective coverage capability of said nodes; predict a future position of the at least one of said mobile devices based on said position data, and predict therefrom a coverage requirement associated with the at least one mobile; and generate, using coverage data, an output to cause the coverage capability of one or more of said nodes to be adjusted to meet said coverage requirement.

7. A planning and control module for a mobile communications network according to claim 1 , the planning and control module configured to: receive or obtain position data representative of a trajectory of at least one of said plurality of mobile devices; receive, periodically or otherwise, coverage data from each of said nodes, said coverage data being representative of the respective coverage capability of said nodes; predict a future position of the at least one of said mobile devices, based on said position data, and predict therefrom a coverage requirement associated with the at least one mobile device; and generate, using said coverage data, an output to cause the coverage capability of one or more of said nodes to be adjusted to meet said coverage requirement.

8. A method of dynamically configuring a mobile communications network comprising a plurality of nodes, each node being disposed on a vehicle and comprising at least one antenna having variable propagation characteristics and directional gain, and a plurality of mobile devices, the method comprising: receiving or obtaining position data representative of a trajectory of at least one of said plurality of mobile devices; receiving, periodically or otherwise, coverage data from each of said nodes, said coverage data being representative of a respective wireless coverage capability and a current location of said nodes; predicting a future position of the at least one of said mobile devices, based on said position data, and predicting therefrom a coverage requirement associated with the at least one mobile device; and generating, using said coverage data, an output signal configured to cause the location and the propagation characteristics of an antenna of a respective node of said one or more of said nodes to be adjusted, wherein the adjustment of said propagation characteristics comprises altering the gain and a frequency, pointing direction, azimuth, elevation and strength of an antenna of a respective node, to cause the coverage capability of one or more of said nodes to be adjusted to meet said coverage requirement.

9. A method of providing a mobile communications network, the method comprising: providing a plurality of nodes, each node being disposed on a vehicle and comprising at least one antenna having variable propagation characteristics and directional gain, configured to be wirelessly connected to any one or more of a plurality of mobile devices; and providing a planning and control module configured to: receive or obtain position data representative of a trajectory of at least one of said plurality of mobile devices; receive, periodically or otherwise, coverage data from each of said nodes, said coverage data being representative of the respective coverage capability and a current location of said nodes; predict a future position of the at least one of said mobile devices, based on said position data, and predict therefrom a coverage requirement associated with the at least one mobile device; and generate, using said coverage data, an output signal configured to cause the location and the propagation characteristics of an antenna of a respective node of said one or more of said nodes to be adjusted, wherein the adjustment of said propagation characteristics comprises altering the gain and a frequency, pointing direction, azimuth, elevation and strength of an antenna of a respective node, to cause the coverage capability of one or more of said nodes to be adjusted to meet said coverage requirement.